The calculated distance (air line) between Quang Minh and Chí Linh is approximately 36 miles respectively 58 kilometers.
By car or train, the actual journey to Chí Linh is certainly longer, as only the direct route (as the crow flies) between Quang Minh and Chí Linh has been calculated here.
Air line (approximately)
58 kilometers
31 nautical miles